/* 头部样式 */
header{
    position: fixed;
    width: 100%;
    height: 55px;
    background: white;
    min-width: 1366px;
}
.headMain{
    width: 1000px;
    height: 55px;
    margin: 0 auto;
    
    display: flex;
    justify-content: space-between; 
}
.logo{
    width: 135px;
    height: 50px;
}
.logo a{
    display: block; 
    width: 133px;
    height: 44px;
    margin-top: 5px;
    margin-left: -8px;
    background: url("https://nie.res.netease.com/comm/nie.topBar/images/logo_b5525b7.png")no-repeat;
}
.logoIntroduce{
    width: 420px;
    height: 56px;
    overflow: hidden;
	margin-left: -66px;
}
.logoIntroduce img{
    width: 100%;
}
.logoIntroduce:hover .small{
	display: none;
}
.logoIntroduce:hover .head-main-logo2-img2{
	display: block;
	position: absolute;
	left: 148px;
	top:55px;
	height: auto;
	width: 960px;
}
.headMenu li{
	display: inline-block;
	font-size: 12px;
	line-height: 52px;
	margin-left: 7px;
	font-family:"Microsoft YaHei",simSun,"Lucida Grande","Lucida Sans Unicode",Arial;
}
.headMenu a{
	padding: 18px 10px;
	color: #4a4949;
	line-height: 52px;
	font-weight: normal;
	position: relative;
}
.headMenu li:nth-child(3) a{
	color: #bc2e2e;
}
.headMenu i{
	width: 0;
	height: 0;
	border-left: 5px solid transparent;
	border-right: 5px solid transparent;
	border-top: 5px solid #bc2e2e;
	position: absolute;
	top: 23px;
	right: -4px;
}
.headMenu a:hover{
	line-height: 52px;
	color: #bc2e2e!important;
    border-bottom: 3px solid #bc2e2e;
    background-color: #F3F3F3;
}